Organ systems are best understood when their structural details are connected to physiological roles and clinical implications. This volume maps neural pathways, vascular networks, airway architecture, digestive tract organization, and endocrine gland relationships with precision. Imaging correlations and cross-sectional anatomy help readers interpret scans and surgical views. Emphasis on blood supply, innervation, and compartmental anatomy clarifies why injuries and diseases produce specific deficits. Clinical pearls throughout the text highlight applied anatomy for diagnosis and procedures. End-of-chapter cases reinforce integrated system thinking.